Biographies

Mr. Shen Lijun has been Vice Chairman of the Board in Yunnan Chihong Zinc&Germanium Co., Ltd. He used to be Deputy General Manager and General Manager in the Company. Prior to that, he was General Manager in a Yunnan-based new material company.

Mr. Wang Hongjiang has been Vice Chairman of the Board in Yunnan Chihong Zinc&Germanium Co., Ltd. since August 2004. He is also Deputy General Manager in Yunnan Metallurgical Group Co., Ltd., as well as Chairman of the Board in a non-ferrous metal company. He used to be General Manager in the Company, Deputy General Manager in a metallurgy group company, as well as Head of Factory and Chief Engineer in a mine.

Mr. Sun Chengyu is serving as General Manager in Yunnan Chihong Zinc&Germanium Co., Ltd. since April 21, 2015. He used to serve as Head of Factory in a zinc factory and Deputy Chief Engineer in the Company. He also used to serve as Workshop Supervisor in a factory.

Mr. Luo Dafeng has been serving as Deputy General Manager in Yunnan Chihong Zinc & Gemanium Co., Ltd. since March 23, 2016. He was Deputy General Manager and General Manager in two other companies. He holds an Executive Master of Business Administration.

Mr. Jia Zhuhong has been serving as Chief Engineer of Yunnan Chihong Zinc&Germanium Co., Ltd. since March 6, 2008. He used to be Deputy Chief Engineer and Head of Factory in the Company, Head of Production Department in a Shanxi-based company, as well as Head of Factory in a non-ferrous metal company.

Mr. Chen Huaguo is serving as Director in Yunnan Chihong Zinc&Germanium Co., Ltd. He used to be Head of Materials Department and Deputy Head of Marketing Department in the Company, as well as Deputy Head of Dressing Factory in a mine.

Mr. Wang Jin has been Director in Yunnan Chihong Zinc&Germanium Co., Ltd. since November 2009. He is also General Manager in a mining company, as well as Chairman of the Board in another mining company. He used to be Deputy General Manager in the Company, Manager in a Yunnan-based transportation company, Deputy General Manager in another mining company and General Manager in a Kunming-based company.

Mr. Wu Peixiong has been Director in Yunnan Chihong Zinc&Germanium Co., Ltd. since November 17, 2009. He used to be Deputy General Manager and Chief Economist of YUNNAN ALUMINIUM CO.,LTD., as well as Deputy Head of Factory and Chief Economist in an aluminum factory.

Mr. Yang Hong has been serving as Director in Yunnan Chihong Zinc&Germanium Co., Ltd. since November 2009. He is also General Manager in another mining company. He used to be Deputy General Manager in the Company.

Mr. Suo Keming has been serving as Independent Director in Yunnan Chihong Zinc&Germanium Co., Ltd. since October 2006. He is also Independent Director in YUNNAN YUNTIANHUA CO., LTD and YUNNAN NANTIAN ELECTRONICS INFORMATION CO.,LTD. He is a Certified Public Accountant.

Mr. Xiao Jianming has been Independent Director in Yunnan Chihong Zinc&Germanium Co., Ltd. since October 13, 2006. He also serves as Independent Director in SINO-PLATINUM METALS CO., LTD and SHENJI GROUP KUNMING MACHINE TOOL COMPANY LIMITED. He used to be General Manager in a Yunnan-based tin industry company, as well as Chairman of the Board in two other Yunnan-based companies including Yunnan Tin Co.,Ltd.

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